Problem: Sentence: "Tatyana was careful not to disturb her, undressing and climbing back into her berth."; Another sentence: "When Tatyana reached the cabin, her mother was sleeping. She was careful not to disturb her, undressing and climbing back into her berth."?
A: yes

Problem: Sentence: "Tina was too hard to pronounce."; Another sentence: "The actress used to be named Terpsichore, but she changed it to Tina a few years ago, because she figured it was too hard to pronounce."?
A: no

Problem: Sentence: "I don't know who the guy in uniform was, but he looked very unhappy."; Another sentence: "I saw Jim yelling at some guy in a military uniform with a huge red beard. I don't know who he was, but he looked very unhappy."?
A:
yes